AB, also known as Alfie Buttle, is a content creator and social media personality known for his TikTok and other social media content. He currently lives in a place he refers to as "AB's grotto," which appears to be a unique home or apartment. He has done house tours of this location on TikTok, showing it as a distinctive and personal living space. Based on recent content, including a vlog, AB's grotto is described as a majestic and special place where he spends a lot of time, though he mentions spending time also in London. Summarizing, AB lives in what he calls "AB's grotto," which is a special home location he showcases on social media, and he also spends time in London for various activities and vlogs.